10
3 Installation
(cont'd)
3.5 Connecting the Controls (energized by unit, low voltage)
• Controls are not included with this unit.
• Unit may be connected to a dry contact Standby switch if desired. In such case, unit remains powered on, but is put in
Standby mode when the switch is turned on.
• This ERV can replace up to 2 bath fans. Where this is the case, unit should be connected to a 20-minute override control in
each bathroom.
3.5.1 Connecting unit to a Standby switch
Install the dry contact Standby switch in a convenient place and connect it to unit as follows.
3.5.2 Connecting unit to 1 or 2 Broan VB20W 20-minute push-button control(s)
1. Install the 20-minute push-button control in the bathroom(s) following instructions included with the control.
2. Connect it to unit as follows.
R RED
Y YELLOW
B BLACK
G GREEN
R RED
Y YELLOW
B BLACK
G GREEN
G
R
B
Y
VE0357A
G
R
B
Y
OL
OC
I
VE0358A
OL
OC
I
ON
ON
CAUTION
Ensure all unused wires are capped off.
Switch position
Unit mode
Dry contact ope-
ned
Unit will run in the
selected mode
Refer to 4.1
Dry contact closed
Unit is kept in
Standby mode
3.5.3 Connecting unit to a Standby switch AND 1 or 2 Broan VB20W 20-minute push-button control(s)
1. Install the 20-minute push-button control in the bathroom(s) following instructions included with the control.
2. Install the Standby switch in a convenient place.
3. Connect both with the unit as follows.
R RED
Y YELLOW
B BLACK
G GREEN
G
R
B
Y
OLOC
I
B
ROAN
VB20W
20-
MIN
.
PUSH
-
BUTTON
CONTROL
D
RY
CONTACT
S
TANDBY
SWITCH
VE0359A
ON
ON
I
OC
OL
This connection allows the operation of VB20W push-button controls even if the dry contact standby switch is turned off.
Switch position
Unit mode
Dry contact ope-
ned
Unit will run in the
selected mode
Refer to 4.1
Dry contact closed
Unit is kept in
Standby mode
